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Finding the Third Proportional to 18,695 and 41,277.50

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Solution

The third proportional to 18,695 and 41,277.50 is: 91,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695 : 41,277.50 = 41,277.50 : x
  2. Step 2: Convert to fraction form
    18,695/41,277.50 = 41,277.50/x
  3. Step 3: Cross multiply
    18,695x = 41,277.50 × 41,277.50
  4. Step 4: Simplify right side
    18,695x = 1,703,832,006.25
  5. Step 5: Solve for x
    x = 1,703,832,006.25/18,695
  6. Step 6: Final answer
    x = 91,138.38

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.